The Testking Corporation consists of the head office in New York with its regional offices

in: Chicago, Detroit, Philadelphia, Toronto, and Atlanta. These offices need to be connected in a WAN, and Testking wishes to do this via a hub and spoke arrangement that will utilize packet-switched technology.Which one of the WAN technologies below would be the best choice for Testking？（）

A. ISDN

B. Wireless

C. Frame Relay

D. T1 leased line

E. ATM

F. VPN

提问人：网友wlg9889 发布时间：2022-01-06

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